function trim(s) {
  while (s.substring(0,1) == ' ') {
    s = s.substring(1,s.length);
  }
  while (s.substring(s.length-1,s.length) == ' ') {
    s = s.substring(0,s.length-1);
  }
  return s;
}
function notChecked( box )
{
    if( box.checked ){
        return false;
    }
    else{
        return true;
    }
} 
	
function ckEnter(event)
{ 	
 NS4 = (document.layers) ? true : false;
 var code = 0;
	
 if (NS4)
 {
  code = event.which;
 }
 else
 {
  code = event.keyCode;
  if (code==13)
  {
   event.keyCode = "";
  }
 }
}

function checkemail(EmailValue)
{
 var str=EmailValue;
 var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
 if (filter.test(str))
 {
  testresults=true;
 }
 else
 {
  testresults=false;
 }
 return (testresults);
}

function NumericCheck(sText)
{
   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
}